Question

(i) The speed of a car is 45 km/h. Find its speed in m/s.​

Answer 1

45 km/h

now multiple 45 by 5/18

45×5/18

15×5/6

5×5/2

25/2 m/s

please follow me

Answer 2

Given,the speed of a car is 45 km/h

we know 1km =1000m and 1 h =60min=3600s

Therefore the speed in m/s = 45×1000m/3600s

=45000m/3600s

=450m/36s

=12.5m/s